Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/22/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/23/2025 09:13:29 0.38, 61.31 0.93, 63.62 264.65 80
2 07/24/2025 21:32:36 -0.41, 61.40 0.28, 58.37 345.75 80
3 07/25/2025 21:16:32 -0.40, 61.41 -0.74, 62.90 170.03 80
4 07/27/2025 09:35:49 0.42, 61.35 -0.40, 57.59 428.19 80
5 07/28/2025 09:19:44 0.41, 61.36 0.56, 62.13 87.98 80
6 07/30/2025 21:20:06 -0.42, 61.45 -0.39, 61.41 6.55 80
7 08/02/2025 09:23:19 0.44, 61.42 0.28, 60.63 89.79 80
8 08/03/2025 09:07:15 0.43, 61.43 1.30, 65.16 425.52 80
9 08/04/2025 21:26:22 -0.46, 61.53 -0.12, 59.90 185.01 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/22/2025
SNOs_Map_GOES-15_NPP_20250723.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/22/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP